立彬の日本語
水は水素と酸素で構成されている。
tbd
Water consists of hydrogen and oxygen.
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水素， すいそ
1. hydrogen (H)
tbd
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酸素， さんそ
1. oxygen (O)
tbd
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構成， こうせい
1. composition, construction, formation, makeup, structure, organization, organisation
构成
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される， 為れる
1. to be done (to someone or something)
2. to do, to be doing
(对某人或某物)进行某种动作，する的被动形态；(对某人或某物)正在做，即将做
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
と
1. if, when
2. and
3. with
4. used for quoting (thoughts, speech, etc.)
5. promoted pawn
6. indicates a question
表示引用
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围